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MR-compatible blood sampling system for PET imaging applications in combined PET/MR imaging system
MR-compatible blood sampling system for PET imaging applications in combined PET/MR imaging system
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机译:MR兼容的血液采样系统,用于PET / MR组合成像系统中的PET成像应用
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摘要
An automated blood sampling system for PET imaging applications that can be operated in or very near to the field of view (FOV) of an MR scanner, such as in a combined MR/PET imaging system. A radiation detector uses APDs (avalanche photo-diodes) to collect scintillation light from crystals in which the positron-electron annihilation photons are absorbed. The necessary gamma shielding is made from a suitable shielding material, preferably tungsten polymer composite. Because the APDs are quite small and are magnetically insensitive, they can be operated in the strong magnetic field of an MR apparatus without disturbance.
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